“An unwillingness to admit the possibility that mankind can have any rivals in intellectual power,” Turing wrote in his sabbatical report submitted to the NPL in 1948, “occurs as much amongst intellectual people as amongst others: they have more to lose.”

For you notice that it is only for our bad behaviour that we find all these explanations. It is only our bad temper that we put down to being tired or worried or hungry; we put our good temper down to ourselves.